format.php

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Plugin version and other meta-data are defined here.
 *
 * @package     format_buttons
 * @copyright   2023 Jhon Rangel <jrangelardila@gmail.com>
 * @license     https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

require_once($CFG->libdir . '/filelib.php');
require_once($CFG->libdir . '/completionlib.php');

// Retrieve course format option fields and add them to the $course object.
$format = core_courseformat\base::instance($course);
$course = $format->get_course();
$context = context_course::instance($course->id);

// Add any extra logic here.

// Make sure section 0 is created.
course_create_sections_if_missing($course, 0);

$renderer = $format->get_renderer($PAGE);

// Setup the format base instance.
if (!empty($displaysection)) {
    $format->set_sectionnum($displaysection);
}
// Output course content.
$outputclass = $format->get_output_classname('content');
$widget = new $outputclass($format);
echo $renderer->render($widget);

// Include any format js module here using $PAGE->requires->js.